 Headquarters and Headquarters Company, 2nd Battalion, 158th Aviation was redesignated on 16 October 1997 as Company B, 158th Aviation, and activated at Fort Hood, Texas, and then redesignated again on 1 October 2005 as Company B, 158th Aviation Regiment.It was inactivated there on 15 January 2008.On 17 October 2011 it was redesignated as Headquarters and Headquarters Company, 2nd Battalion, 158th Aviation Regiment, and activated at Joint Base Lewis-McChord, Washington (organic elements concurrently activated).